1204004 has 18 divisors (see below), whose sum is σ = 2206470. Its totient is φ = 574816.

The previous prime is 1204003. The next prime is 1204019. The reversal of 1204004 is 4004021.

1204004 = T₃₁₂ + T₃₁₃ + ... + T₃₃₄.

It can be written as a sum of positive squares in only one way, i.e., 846400 + 357604 = 920^2 + 598^2 .

It is not an unprimeable number, because it can be changed into a prime (1204003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1832 + ... + 2400.

2^1204004 is an apocalyptic number.

It is an amenable number.

1204004 is a deficient number, since it is larger than the sum of its proper divisors (1002466).

1204004 is a wasteful number, since it uses less digits than its factorization.

1204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1204004 is about 1097.2711606526. The cubic root of 1204004 is about 106.3839169540.

Adding to 1204004 its reverse (4004021), we get a palindrome (5208025).

The spelling of 1204004 in words is "one million, two hundred four thousand, four".